-Notation contexts (like Score and Staff) not only store properties,
-they also contain plug-ins, called ``engravers'' that create notation
-elements. For example, the Voice context contains a
-@code{Note_head_engraver} and the Staff context contains a
+Notation contexts (like @code{Score} and @code{Staff}) not only
+store properties,
+they also contain plug-ins called ``engravers'' that create notation
+elements. For example, the @code{Voice} context contains a
+@code{Note_head_engraver} and the @code{Staff} context contains a